SUPONO, I. (1991). Business dialogues: Indonesian - English. Titik Terang.
芝加哥风格引文SUPONO, Idhie. Business Dialogues: Indonesian - English. Jakarta: Titik Terang, 1991.
MLA引文SUPONO, Idhie. Business Dialogues: Indonesian - English. Titik Terang, 1991.
警告：这些引文格式不一定是100％准确.